The Indiana Economic Development Corporation study indicates strong, local leadership is key to improving the economics of "regional cities."
A total of 173 companies have promised so far this year to create 17,000 jobs in Indiana.
A consulting firm will compare Indiana cities to comparable cities in other states with the goal of boosting economic development.
Within five years, the workforce at the GE Aviation plant is expected to exceed 200 people.
It is still unclear why IEDC has suspended the grant program.
Subaru is planning to invest more than $400 million in expanding its Lafayette plant.
The companies pledging jobs Tuesday include a customer service firm, telecommunications companies and food operations.
According to the Indiana Economic Development Corporation, only four of every five jobs promised has materialized over the last year.
Farbest Foods is investing nearly $70 million in the new processing plant. The state is offering the company $3.8 million in conditional tax credits.
An IEDC report estimates more than 13,000 jobs will be created, but IEDC officials say economic concerns could lower the number of jobs actually created.